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Finding the Fourth Proportional to 338,842.02, 467,602.14 and 187,939.02

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Solution

The fourth proportional to 338,842.02, 467,602.14 and 187,939.02 is: 259,355.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,842.02 : 467,602.14 = 187,939.02 : x
  2. Step 2: Convert to fraction form
    338,842.02/467,602.14 = 187,939.02/x
  3. Step 3: Cross multiply
    338,842.02x = 467,602.14 × 187,939.02
  4. Step 4: Simplify right side
    338,842.02x = 87,880,687,941.50
  5. Step 5: Solve for x
    x = 87,880,687,941.50/338,842.02
  6. Step 6: Final answer
    x = 259,355.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.